Sound recording apparatus

Details Sound recording apparatus Sound recording apparatus

1992-10-08

1994-07-05

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

333 28T, 381103, H03F 3191

Patent

active

053271025

ABSTRACT:
A sound recording apparatus for equalizing a sound signal before the sound signal is recorded onto a recording medium includes an amplifier to which the sound signal is inputted and a simulated inductor circuit connected to the amplifier. The simulated inductor circuit includes a buffer whose input side is coupled to a predetermined bias, a plurality of capacitors for connecting the output side of the buffer to the amplifier, and a switch for changing an equalizing characteristic by changing over a capacitor among the plurality of capacitors.

REFERENCES:
patent: 4046960 (1977-09-01), Veale
patent: 4996497 (1991-02-01), Waehner

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